223525 has 6 divisors (see below), whose sum is σ = 277202. Its totient is φ = 178800.

The previous prime is 223507. The next prime is 223529. The reversal of 223525 is 525322.

223525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 23716 + 199809 = 154^2 + 447^2 .

It is not a de Polignac number, because 223525 - 2⁵ = 223493 is a prime.

It is a d-powerful number, because it can be written as 2 + 2⁵ + 5⁷ + 3¹⁰ + 2¹³ + 5⁷ .

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4446 + ... + 4495.

2²²³⁵²⁵ is an apocalyptic number.

223525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223525 is a deficient number, since it is larger than the sum of its proper divisors (53677).

223525 is an equidigital number, since it uses as much as digits as its factorization.

223525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951 (or 8946 counting only the distinct ones).

The product of its digits is 600, while the sum is 19.

The square root of 223525 is about 472.7843060001. The cubic root of 223525 is about 60.6888210892.

Adding to 223525 its reverse (525322), we get a palindrome (748847).

The spelling of 223525 in words is "two hundred twenty-three thousand, five hundred twenty-five".